Home / 4,166.80-5,750.21-2,278.36

Finding the Fourth Proportional to 4,166.80, 5,750.21 and 2,278.36

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Solution

The fourth proportional to 4,166.80, 5,750.21 and 2,278.36 is: 3,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,166.80 : 5,750.21 = 2,278.36 : x
  2. Step 2: Convert to fraction form
    4,166.80/5,750.21 = 2,278.36/x
  3. Step 3: Cross multiply
    4,166.80x = 5,750.21 × 2,278.36
  4. Step 4: Simplify right side
    4,166.80x = 13,101,048.46
  5. Step 5: Solve for x
    x = 13,101,048.46/4,166.80
  6. Step 6: Final answer
    x = 3,144.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.